FOR   THE    YEARS   1901-1905,   INCLUSIVE.  107 
Dwight  (W.  B.). 
1.  Fort  Cassin  beds  in  the  Calciferous  limestone  of  Dutchess  County,  New  York. 
Abstract:  Geol.  Soc.  Am.,  Bull.,  vol.  12,  pp.  490-491,  1901. 
Contains  notes  on  the  faunas  of  these  beds. 
Dyar  (W.  W.). 
1.  The  colossal  bridges  of  Utah.     A  recent  discovery  of  natural  wonders. 
Century  Mag.,  vol.  68,  pp.  505-511,  1904. 
E. 
Eakle  (Arthur  S.). 
1.  Mineralogical  notes,  with  chemical  analyses  by  W.  T.  Schaller. 
Univ.  of  Cal.,  Dept.  of  Geol.,  Bull.,  vol.  2,  pp.  315-326,  1  pi.,  1901. 
Describes  pectolite,  zircon  crystals,  esmeraldaite,  coquimbite,  and  altaite  crystals. 
2.  Colemanite  from  southern  California. 
Univ.  Cal.,  Dept.  Geol.,  Bull.,  vol.  3,  pp.  31-50,  2  pis.,  1902. 
Describes  the  crystals  and  the  method  of  measurement  with  the  two-circle  goniometer. 
3.  Note  on  the  identity  of  paiacheite  and  botryogen. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  16,  pp.  379-380,  1903. 
Describes  composition,  characters,  and  occurrence. 
4.  Paiacheite. 
Cal.  Univ.,  Dept.  Geol.,  Bull.,  vol.  3,  pp.  231-230,  1  pi.,  1903. 
Describes  occurrence,  crystallographic  characters,  and  physical  and  chemical  properties  of 
this  mineral  discovered  near  Knoxville,  California. 
5.  Mineral  tables  for  the  determination  of  minerals  by  their  physical  properties. 
New  York,  John  Wiley  &  Sons,  73  pp.,  1904. 
6.  Phosphorescent  sphalerite. 
Cal.  Jour.  Techn.,  vol,  3,  pp.  30-31,  1904. 
Describes  the  occurrence  and  characters  of  a  sphalerite  from  Mariposa  County,  California, 
and  its  prpperty  of  phosphorescence. 
Eakle  (A.  S.)  and  Sharwood  (W.  J.). 
1.   Luminescent  zinc-blende. 
Eng    &  Mg.  Jour.,  vol.  77,  p.  1000,  1904. 
Describes  occurrence  in  Mariposa  County,  California,  composition,  and  physical  qualities. 
Easter  (S.  E. ). 
1.  Jade 
Nat.  Geog.  Mag.,  vol.  14,  pp.  9-17,  1903. 
Describes  characters,  occurrences,  and  uses. 
Eastman  (Charles  R. ). 
1.  Systematic  paleontology,  Eocene  Pisces. 
Md.  Geol.  Surv  ,  Eocene,  pp.  98-115,4  pis.,  1901. 
2.  On  Campodus,  Edestus,  Helicoprion,  Acanthodes,  and  other  Permo-Carboniferous 
sharks. 
Abstracts:  Science,  new  ser.,  vol    14,  p.  795,  1901.     Sci.  Am.  Suppl.,  vol.  52,  p.  21505,  1901. 
3.  On  Campy loprion,  a  new  form  of  Edestus-like  dentition. 
Geol.  Mag.,  dec.  iv,  vol.  9,  pp.  148-152,  1  pi.  and  1  fig.,  1902. 
4.  The  Carboniferous  fish  fauna  of  Mazon  Creek,  Illinois. 
.lour.  Geol.,  vol.  10,  pp.  535-541,  5  rigs.,  1902. 
Describes  two  species  of  Acanthodes  and  one  each  of  Ccelacanthus  and  Elonichthys,  and  gives 
a  list  of  the  vertebrates  found  at  ihis  locality. 
5.  On  the  genus  Peripristis,  St.  John. 
Geol.  Mag.,  dec.  iv,  vol.  9,  pp.  388-391,  2  rigs.,  1902.      . 
6.  Some  Carboniferous  cestraciont  and  acanthodian  sharks. 
Harvard  Coll.,  Mus.  Comp.  Zool.,  Bull.,  vol.  39,  pp.  55-99,  7  pis.,  14  figs.,  1902. 
